in graphite, lower left below plate mark: Artist's Proof; lower right: John Taylor Arms; at lower left at edge of sheet: The Gates of the City NYPL # 128; lower right: E Welch Estate
(Paul McCarron, New York); Mr. and Mrs. Leo E. Zickler, Bethesda, 2004; Promised gift 2005 to NGA.
- Six Centuries of Prints and Drawings: Recent Acquisitions, National Gallery of Art, Washington, D.C., 2004 - 2005
- William Dolan Fletcher. John Taylor Arms, A Man for All Time. New Haven: Eastern Press, 1982.